1043525403 has 16 divisors (see below), whose sum is σ = 1557091200. Its totient is φ = 690676200.

The previous prime is 1043525383. The next prime is 1043525407. The reversal of 1043525403 is 3045253401.

It is not a de Polignac number, because 1043525403 - 2⁶ = 1043525339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1043525407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135273 + ... + 142778.

It is an arithmetic number, because the mean of its divisors is an integer number (97318200).

Almost surely, 2^1043525403 is an apocalyptic number.

1043525403 is a deficient number, since it is larger than the sum of its proper divisors (513565797).

1043525403 is a wasteful number, since it uses less digits than its factorization.

1043525403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278199 (or 278193 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1043525403 is about 32303.6438037569. The cubic root of 1043525403 is about 1014.3029188465.

Adding to 1043525403 its reverse (3045253401), we get a palindrome (4088778804).

The spelling of 1043525403 in words is "one billion, forty-three million, five hundred twenty-five thousand, four hundred three".